they have about 70 miles to go before reaching the south pole. >>> president obama and mrs. obama left washington a short time ago. on "face the nation" yesterday bob schieffer focused mandela's life. good morning to you. >> good morning. >> i loved the show how you started with maya angelou and ended with the poem she had written for him because it so brilliantly captured his life and what it meant. >> she is an amazing person in her own right. >> i think so too. >> when i called her last week and asked her to be on i thought -- she's not in the best of health. she can't travel very much and she said, no i'll do it because i want to. and then i found autoout she had written this poem. she didn't tell us. she told us on the show when the state department asked her to do this not to disclose it for -- until 48 hours after he was dead. >> how did you get gayle king to do it? >> you know that was an e-mail from bob schieffer to gayle king. yeah. what they're saying in south africa, though today about him while they're grieving, of course they're also celebrating. i saw one woma